import java.lang.reflect.Method;
import java.lang.reflect.Field;

public class ReflectTester {     
	public Object copy(Object object) throws Exception {     
		// 获得对象的类型     
		Class<?> classType = object.getClass();     
		System.out.println("Class:" + classType.getName());     

		// 通过默认构造方法创建一个新的对象     
		Object objectCopy = classType.getConstructor(new Class[] {}).newInstance(new Object[] {});     

		// 获得对象的所有属性     
		Field fields[] = classType.getDeclaredFields();     

		for (int i = 0; i < fields.length; i++) {     
			Field field = fields[i];     

			String fieldName = field.getName();     
			String firstLetter = fieldName.substring(0, 1).toUpperCase();     
			// 获得和属性对应的getXXX()方法的名字     
			String getMethodName = "get" + firstLetter + fieldName.substring(1);     
			// 获得和属性对应的setXXX()方法的名字     
			String setMethodName = "set" + firstLetter + fieldName.substring(1);     

			// 获得和属性对应的getXXX()方法     
			Method getMethod = classType.getMethod(getMethodName, new Class[] {});     
			// 获得和属性对应的setXXX()方法     
			Method setMethod = classType.getMethod(setMethodName, new Class[] { field.getType() });     

			// 调用原对象的getXXX()方法     
			Object value = getMethod.invoke(object, new Object[] {});     
			System.out.println(fieldName + ":" + value);     
			// 调用拷贝对象的setXXX()方法     
			setMethod.invoke(objectCopy, new Object[] { value });     
		}     
			
		return objectCopy;     
	}     

	public static void main(String[] args) throws Exception {     
		Customer customer = new Customer("Tom", 21);     
		customer.setId(new Long(1));     

		Customer customerCopy = (Customer) new ReflectTester().copy(customer);     
		System.out.println("Copy information:" + customerCopy.getId() + " "    
			+ customerCopy.getName() + " " + customerCopy.getAge());     
	}     
}     

class Customer {     
	private Long id;     
	private String name;     
	private int age;     

	public Customer() {     
	}     

	public Customer(String name, int age) {     
		this.name = name;     
		this.age = age;     
	}     

	public Long getId() {     
		return id;     
	}     

	public void setId(Long id) {     
		this.id = id;     
	}     

	public String getName() {     
		return name;     
	}     

	public void setName(String name) {     
		this.name = name;     
	}     

	public int getAge() {     
		return age;     
	}     

	public void setAge(int age) {     
		this.age = age;     
	}     
}   
